package com.jeecg.school.controller;
import com.jeecg.school.entity.GradeEntity;
import com.jeecg.school.entity.TeacherEntity;
import com.jeecg.school.service.GradeServiceI;
import com.jeecg.school.service.TeacherServiceI;

import java.util.ArrayList;
import java.util.List;
import java.text.SimpleDateFormat;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import org.jeecgframework.core.common.controller.BaseController;
import org.jeecgframework.core.common.exception.BusinessException;
import org.jeecgframework.core.common.hibernate.qbc.CriteriaQuery;
import org.jeecgframework.core.common.hibernate.qbc.PagerUtil;
import org.jeecgframework.core.common.model.common.TreeChildCount;
import org.jeecgframework.core.common.model.json.AjaxJson;
import org.jeecgframework.core.common.model.json.DataGrid;
import org.jeecgframework.core.constant.Globals;
import org.jeecgframework.core.util.StringUtil;
import org.jeecgframework.tag.core.easyui.TagUtil;
import org.jeecgframework.web.system.pojo.base.TSDepart;
import org.jeecgframework.web.system.pojo.base.TSUser;
import org.jeecgframework.web.system.service.SystemService;
import org.jeecgframework.core.util.MyBeanUtils;

import java.io.OutputStream;
import org.jeecgframework.core.util.BrowserUtils;
import org.jeecgframework.poi.excel.ExcelExportUtil;
import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.entity.TemplateExportParams;
import org.jeecgframework.poi.excel.entity.vo.NormalExcelConstants;
import org.jeecgframework.poi.excel.entity.vo.TemplateExcelConstants;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.jeecgframework.core.util.ResourceUtil;
import java.io.IOException;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import java.util.Map;
import java.util.HashMap;
import org.jeecgframework.core.util.ExceptionUtil;


/**   
 * @Title: Controller  
 * @Description: 班级
 * @author onlineGenerator
 * @date 2020-02-05 12:43:18
 * @version V1.0   
 *
 */
@Controller
@RequestMapping("/gradeController")
public class GradeController extends BaseController {
	private static final Logger logger = LoggerFactory.getLogger(GradeController.class);

	@Autowired
	private GradeServiceI gradeService;
	@Autowired
	private SystemService systemService;
	@Autowired
	private TeacherServiceI teacherService;


	/**
	 * 班级列表 页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "list")
	public ModelAndView list(HttpServletRequest request) {
		return new ModelAndView("school/gradeList");
	}
	
	/**
	 * 班级列表 页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "selectList")
	public ModelAndView selectList(HttpServletRequest request) {
		return new ModelAndView("school/selectGradeList");
	}
	
	/**
	 * 班级列表 页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "listByteacher")
	public ModelAndView listByteacher(HttpServletRequest request) {
		return new ModelAndView("school/gradeList-teacher");
	}
	
	/**
	 * easyui AJAX请求数据
	 * 
	 * @param request
	 * @param response
	 * @param dataGrid
	 * @param user
	 */

	@RequestMapping(params = "datagrid")
	public void datagrid(GradeEntity grade,HttpServletRequest request, HttpServletResponse response, DataGrid dataGrid) {
		CriteriaQuery cq = new CriteriaQuery(GradeEntity.class, dataGrid);
		//查询条件组装器
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, grade, request.getParameterMap());
		try{
		//自定义追加查询条件
			String sql1=" SELECT g.id,grade_name gradeName,grade_state gradeState,t.teacher_name teacherName "
					+ " FROM grade g left join teacher t on g.teacher_id = t.id where 1=1 ";
	        String sql2=" SELECT count(1) FROM grade g where 1=1 ";

	        String gradeName = request.getParameter("gradeName");
	        if (StringUtil.isNotEmpty(gradeName)) {
	            sql1+=" and grade_name like '%"+gradeName+"%'";
	            sql2+=" and grade_name like '%"+gradeName+"%'";
	        }
	        
	        String loginSign = ResourceUtil.getSessionLoginSign();
	        if("2".equals(loginSign)) {
	        	TSUser user = ResourceUtil.getSessionUser();
	        	sql1+=" and g.teacher_id =" + user.getId();
	        	sql2+=" and g.teacher_id =" + user.getId();
	        }
	        
	        sql1+=" order by g.id desc";

	        /*获取总数，用于分页使用*/
	        long countMwo = systemService.getCountForJdbc(sql2);
	        /*转换为 int 整形*/
	        int allCounts = (int)countMwo;

	        int pageSize = cq.getPageSize();/*每页显示数*/
	        int curPageNO = PagerUtil.getcurPageNo(allCounts, cq.getCurPage(),pageSize);// 当前页
	        
	        /*获取数据列表，参数一：查询的sql、参数二三：当前页码、数据总数*/
	        List<Map<String, Object>> listMwo=systemService.findForJdbc(sql1, curPageNO, pageSize);

	        cq.getDataGrid().setResults(listMwo);

	        cq.getDataGrid().setTotal(allCounts);
		}catch (Exception e) {
			throw new BusinessException(e.getMessage());
		}
	//	cq.add();
	//	this.gradeService.getDataGridReturn(cq, true);
		TagUtil.datagrid(response, dataGrid);
	}
	
	/**
	 * 删除班级
	 * 
	 * @return
	 */
	@RequestMapping(params = "doDel")
	@ResponseBody
	public AjaxJson doDel(GradeEntity grade, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		grade = systemService.getEntity(GradeEntity.class, grade.getId());
		message = "班级删除成功";
		try{
			gradeService.delete(grade);
			systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "班级删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	
	/**
	 * 批量删除班级
	 * 
	 * @return
	 */
	 @RequestMapping(params = "doBatchDel")
	@ResponseBody
	public AjaxJson doBatchDel(String ids,HttpServletRequest request){
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "班级删除成功";
		try{
			for(String id:ids.split(",")){
				GradeEntity grade = systemService.getEntity(GradeEntity.class, 
				Integer.parseInt(id)
				);
				gradeService.delete(grade);
				systemService.addLog(message, Globals.Log_Type_DEL, Globals.Log_Leavel_INFO);
			}
		}catch(Exception e){
			e.printStackTrace();
			message = "班级删除失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}


	/**
	 * 添加班级
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doAdd")
	@ResponseBody
	public AjaxJson doAdd(GradeEntity grade, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "班级添加成功";
		try{
			gradeService.save(grade);
			systemService.addLog(message, Globals.Log_Type_INSERT, Globals.Log_Leavel_INFO);
		}catch(Exception e){
			e.printStackTrace();
			message = "班级添加失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	
	/**
	 * 更新班级
	 * 
	 * @param ids
	 * @return
	 */
	@RequestMapping(params = "doUpdate")
	@ResponseBody
	public AjaxJson doUpdate(GradeEntity grade, HttpServletRequest request) {
		String message = null;
		AjaxJson j = new AjaxJson();
		message = "班级更新成功";
		GradeEntity t = gradeService.get(GradeEntity.class, grade.getId());
		try {
			MyBeanUtils.copyBeanNotNull2Bean(grade, t);
			gradeService.saveOrUpdate(t);
			systemService.addLog(message, Globals.Log_Type_UPDATE, Globals.Log_Leavel_INFO);
		} catch (Exception e) {
			e.printStackTrace();
			message = "班级更新失败";
			throw new BusinessException(e.getMessage());
		}
		j.setMsg(message);
		return j;
	}
	

	/**
	 * 班级新增页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "goAdd")
	public ModelAndView goAdd(GradeEntity grade, HttpServletRequest req) {
		if (StringUtil.isNotEmpty(grade.getId())) {
			grade = gradeService.getEntity(GradeEntity.class, grade.getId());
			req.setAttribute("gradePage", grade);
		}
		return new ModelAndView("school/grade-add");
	}
	/**
	 * 班级编辑页面跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "goUpdate")
	public ModelAndView goUpdate(GradeEntity grade, HttpServletRequest req) {
		if (StringUtil.isNotEmpty(grade.getId())) {
			grade = gradeService.getEntity(GradeEntity.class, grade.getId());
			
			TeacherEntity teacher = new TeacherEntity();
			if(grade.getTeacherId() != null) {
				teacher = teacherService.getEntity(TeacherEntity.class, grade.getTeacherId());
			}
			req.setAttribute("teacherPage", teacher);
			req.setAttribute("gradePage", grade);
		}
		return new ModelAndView("school/grade-update");
	}
	
	/**
	 * 导入功能跳转
	 * 
	 * @return
	 */
	@RequestMapping(params = "upload")
	public ModelAndView upload(HttpServletRequest req) {
		req.setAttribute("controller_name","gradeController");
		return new ModelAndView("common/upload/pub_excel_upload");
	}
	
	/**
	 * 导出excel
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXls")
	public String exportXls(GradeEntity grade,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
		CriteriaQuery cq = new CriteriaQuery(GradeEntity.class, dataGrid);
		org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, grade, request.getParameterMap());
		List<GradeEntity> grades = this.gradeService.getListByCriteriaQuery(cq,false);
		modelMap.put(NormalExcelConstants.FILE_NAME,"班级");
		modelMap.put(NormalExcelConstants.CLASS,GradeEntity.class);
		modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("班级列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
			"导出信息"));
		modelMap.put(NormalExcelConstants.DATA_LIST,grades);
		return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	/**
	 * 导出excel 使模板
	 * 
	 * @param request
	 * @param response
	 */
	@RequestMapping(params = "exportXlsByT")
	public String exportXlsByT(GradeEntity grade,HttpServletRequest request,HttpServletResponse response
			, DataGrid dataGrid,ModelMap modelMap) {
    	modelMap.put(NormalExcelConstants.FILE_NAME,"班级");
    	modelMap.put(NormalExcelConstants.CLASS,GradeEntity.class);
    	modelMap.put(NormalExcelConstants.PARAMS,new ExportParams("班级列表", "导出人:"+ResourceUtil.getSessionUser().getRealName(),
    	"导出信息"));
    	modelMap.put(NormalExcelConstants.DATA_LIST,new ArrayList());
    	return NormalExcelConstants.JEECG_EXCEL_VIEW;
	}
	
	@SuppressWarnings("unchecked")
	@RequestMapping(params = "importExcel", method = RequestMethod.POST)
	@ResponseBody
	public AjaxJson importExcel(HttpServletRequest request, HttpServletResponse response) {
		AjaxJson j = new AjaxJson();
		
		MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
		Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
		for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
			MultipartFile file = entity.getValue();// 获取上传文件对象
			ImportParams params = new ImportParams();
			params.setTitleRows(2);
			params.setHeadRows(1);
			params.setNeedSave(true);
			try {
				List<GradeEntity> listGradeEntitys = ExcelImportUtil.importExcel(file.getInputStream(),GradeEntity.class,params);
				for (GradeEntity grade : listGradeEntitys) {
					gradeService.save(grade);
				}
				j.setMsg("文件导入成功！");
			} catch (Exception e) {
				j.setMsg("文件导入失败！");
				logger.error(e.getMessage());
			}finally{
				try {
					file.getInputStream().close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return j;
	}
	
	
}
